Pantheon Outage History

Pantheon is up right now

Pantheon had 40 outages in the last 2 years totaling 340h 39m of downtime — averaging 1.6 incidents per month.

There were 40 Pantheon outages since May 20, 2025 totaling 340h 39m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.pantheon.io

Minor September 15, 2025

403 errors in Composer-Related Workflows

Detected by Pingoru
Sep 15, 2025, 09:53 AM UTC
Resolved
Sep 15, 2025, 02:12 PM UTC
Duration
4h 18m
Affected: DashboardSpinup OperationsWorkflow OperationsTerminus OperationsAutopilot
Timeline · 4 updates
  1. investigating Sep 15, 2025, 09:53 AM UTC

    We are currently investigating reports of Composer-related workflow failures on Drupal sites. This impacts multiple workflows, including creating new sites or environments and code deployments. We will provide another update within the next hour or sooner if additional information becomes available.

  2. identified Sep 15, 2025, 11:12 AM UTC

    The issue has been identified and a fix is being implemented. We will provide another update as soon as more information becomes available.

  3. monitoring Sep 15, 2025, 12:28 PM UTC

    A fix has been implemented and we are monitoring the results. Affected sites may retry any failed deployments or workflows. If the issue persists, please contact Support for additional assistance.

  4. resolved Sep 15, 2025, 02:12 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor September 8, 2025

Intermittent Code Deployment and Workflow issues

Detected by Pingoru
Sep 08, 2025, 11:26 AM UTC
Resolved
Sep 08, 2025, 03:54 PM UTC
Duration
4h 28m
Affected: Customer SitesWorkflow Operations
Timeline · 6 updates
  1. investigating Sep 08, 2025, 11:26 AM UTC

    We are currently investigating reports of failed deployments, multidev creation, git-related issues, stuck loading commit history, and certain workflow processes. Please note that site uptime remains unaffected. Our Engineering team is actively working to identify and resolve the issue with the highest priority.

  2. investigating Sep 08, 2025, 12:29 PM UTC

    We are continuing to investigate this issue. We'll provide another update within the next hour, or as soon as further information becomes available.

  3. investigating Sep 08, 2025, 01:26 PM UTC

    We are continuing to investigate this issue. We'll provide another update within the next hour, or as soon as further information becomes available.

  4. investigating Sep 08, 2025, 02:22 PM UTC

    We are continuing to investigate this issue. Our recent findings indicate that some sites are experiencing disruptions in the Redis connection, which appears to be related to the problem. We are working to isolate the impact and implement corrective measures. We'll provide further update as soon as further information becomes available.

  5. monitoring Sep 08, 2025, 03:14 PM UTC

    A fix has been applied, and the issue has been mitigated. We are monitoring to ensure stability. If you continue to experience any code-related issues, please don't hesitate to reach out to Support via chat or ticket, and we'll promptly look into it.

  6. resolved Sep 08, 2025, 03:54 PM UTC

    This incident has been resolved. Code-related operations are back to normal, and Redis connections on affected sites have been fixed.

Read the full incident report →

Notice September 5, 2025

Workflow Reliability Issues

Detected by Pingoru
Sep 05, 2025, 11:07 PM UTC
Resolved
Sep 05, 2025, 11:07 PM UTC
Duration
Timeline · 1 update
  1. resolved Sep 05, 2025, 11:07 PM UTC

    Earlier today, we identified an issue that temporarily affected certain workflows. This did not impact site uptime. The issue has since been resolved, and workflows are now operating normally. At this time, we believe this was a transient issue, but our team is working to identify the root cause. If you continue to experience any workflow-related problems, please contact Support, and we'll be happy to assist.

Read the full incident report →

Notice August 28, 2025

Site Creation Issues

Detected by Pingoru
Aug 28, 2025, 07:43 PM UTC
Resolved
Aug 28, 2025, 07:43 PM UTC
Duration
Affected: Spinup Operations
Timeline · 1 update
  1. resolved Aug 28, 2025, 07:43 PM UTC

    We received reports of site creation issues resulting in a blank page. Our Engineering team investigated and has already applied a fix. The incident is now resolved. If you continue to experience any issues with site creation, please don’t hesitate to reach out to Support via chat or ticket, and we’ll promptly look into it.

Read the full incident report →

Minor August 22, 2025

Intermittent Interruption of Deployments

Detected by Pingoru
Aug 22, 2025, 04:25 PM UTC
Resolved
Aug 27, 2025, 11:13 PM UTC
Duration
5d 6h
Affected: Git
Timeline · 2 updates
  1. monitoring Aug 22, 2025, 04:25 PM UTC

    Following recent routine security maintenance, we identified an increase in deployment failures. We have taken measures to mitigate this and are closely monitoring deployment stability. If you experience an issue, please contact our support team so we can assist you directly.

  2. resolved Aug 27, 2025, 11:13 PM UTC

    The intermittent deployment interruptions following our recent security maintenance have been resolved. All systems are now operating normally, and we will continue to closely monitor performance to ensure stability.

Read the full incident report →

Minor July 8, 2025

Dashboard login and Terminus errors

Detected by Pingoru
Jul 08, 2025, 09:04 PM UTC
Resolved
Jul 09, 2025, 01:23 AM UTC
Duration
4h 19m
Affected: DashboardTerminus Operations
Timeline · 7 updates
  1. investigating Jul 08, 2025, 09:04 PM UTC

    We are currently investigating ongoing reports of issues with workflows involving Terminus and Dashboard logins. Our Engineering team is actively working to identify and resolve the issue with the highest priority. If you require urgent support, please open a ticket or chat. If you are unable to access the dashboard, you may also contact us via email. [email protected]

  2. investigating Jul 08, 2025, 09:36 PM UTC

    We are continuing to investigate this issue.

  3. investigating Jul 08, 2025, 10:05 PM UTC

    Our team is actively investigating the ongoing issue impacting Dashboard logins and Terminus operations. We are working to identify the root cause and will provide another update within the next 30 minutes. We appreciate your patience as we work to resolve this.

  4. investigating Jul 08, 2025, 10:48 PM UTC

    We're still investigating the issue affecting Dashboard logins and Terminus. Our team is working to pinpoint the cause and will share another update in 1 hour. Thank you for your patience

  5. identified Jul 08, 2025, 11:48 PM UTC

    Our team has identified the root cause of the issue and is actively working on a fix. We will provide updates as soon as more information becomes available. Thank you for your patience and understanding.

  6. monitoring Jul 09, 2025, 12:27 AM UTC

    A fix has been implemented, and we are monitoring the results. We appreciate your understanding and patience during this monitoring process.

  7. resolved Jul 09, 2025, 01:23 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 26, 2025

Degraded Autopilot Performance

Detected by Pingoru
Jun 26, 2025, 06:56 PM UTC
Resolved
Jun 26, 2025, 07:39 PM UTC
Duration
42m
Affected: Autopilot
Timeline · 3 updates
  1. investigating Jun 26, 2025, 06:56 PM UTC

    We are currently investigating ongoing reports of Autopilot getting stuck and VRT results not being visible. Please note that no live sites are affected. Our Engineering team is actively working to identify and resolve the issue. If you are experiencing problems related to Autopilot, please contact Support via chat or by submitting a ticket. Our team will investigate promptly.

  2. monitoring Jun 26, 2025, 07:29 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Jun 26, 2025, 07:39 PM UTC

    This incident has been resolved.

Read the full incident report →

Major June 24, 2025

Support Ticketing Degraded

Detected by Pingoru
Jun 24, 2025, 09:44 PM UTC
Resolved
Jun 24, 2025, 11:49 PM UTC
Duration
2h 4m
Affected: Support Tickets
Timeline · 5 updates
  1. investigating Jun 24, 2025, 09:44 PM UTC

    We are currently investigating reports of customers being unable to submit support tickets. As a workaround, please email [email protected] or use the support chat in the dashboard. We will update as soon as we have more information, and thank you for your patience.

  2. identified Jun 24, 2025, 10:18 PM UTC

    The team has identified the root cause of this issue and is actively working on a fix. If you continue to experience issues creating tickets, please email [email protected] or use the support chat in your dashboard. We will provide updates as soon as more information becomes available. Thank you for your patience and understanding.

  3. identified Jun 24, 2025, 11:00 PM UTC

    The team is continuing to work on resolving the issue. We appreciate your patience and will provide further updates as progress is made. If you need immediate assistance, our Support chat is available via your dashboard, or you can also email [email protected].

  4. monitoring Jun 24, 2025, 11:35 PM UTC

    A fix has been implemented and we are monitoring the results.

  5. resolved Jun 24, 2025, 11:49 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor June 12, 2025

Dashboard Availability Issues

Detected by Pingoru
Jun 12, 2025, 06:38 PM UTC
Resolved
Jun 12, 2025, 09:28 PM UTC
Duration
2h 50m
Affected: Customer SitesDashboardWorkflow OperationsFront-End Sites (Beta)
Timeline · 4 updates
  1. investigating Jun 12, 2025, 06:38 PM UTC

    Our monitoring systems have identified an increase in errors impacting access to the Pantheon Dashboard and customer sites. These errors are the result of an issue originating from an upstream service provider. At this time, some users may experience intermittent errors when trying to log in to the dashboard, as well as site downtime. We are also seeing downtime for our Front End Sites customers. Our team is actively investigating this issue with the highest priority and will share additional updates as soon as more details are available. For urgent assistance, please submit a support ticket or use chat.

  2. identified Jun 12, 2025, 07:09 PM UTC

    The issue has been identified as originating from an upstream service provider, which is causing intermittent performance issues across some components. We will provide another update within the next 30 minutes to an hour, or as soon as further information becomes available.

  3. monitoring Jun 12, 2025, 08:27 PM UTC

    The upstream service provider has taken corrective action, and we are now seeing improvements in system performance. We are closely monitoring to ensure a full recovery. We will provide another update within the next 30 minutes to an hour, or as soon as we have additional information.

  4. resolved Jun 12, 2025, 09:28 PM UTC

    The incident has been resolved. We apologize for any inconvenience this may have caused and appreciate your patience throughout the process. If you experience any further issues, please contact us via chat or submit a support ticket.

Read the full incident report →

Minor May 28, 2025

Infrastructure Issue Affecting Customer Sites

Detected by Pingoru
May 28, 2025, 08:58 AM UTC
Resolved
May 28, 2025, 02:00 PM UTC
Duration
5h 1m
Affected: Terminus OperationsGit
Timeline · 8 updates
  1. investigating May 28, 2025, 08:58 AM UTC

    We're currently addressing an infrastructure issue impacting SFTP and Git operations.

  2. investigating May 28, 2025, 09:37 AM UTC

    Our team is continuing to investigate the infrastructure issue affecting SFTP and Git operations. We are actively working to identify the root cause and will provide another update within the next 30 minutes. Thank you for your patience as we work to resolve this.

  3. investigating May 28, 2025, 10:13 AM UTC

    We are still actively investigating the issue impacting SFTP and Git operations. Our engineering team is reviewing system components and logs to isolate the root cause. We appreciate your continued patience and will share another update within the next 30 minutes or as soon as more information becomes available.

  4. investigating May 28, 2025, 10:51 AM UTC

    Our team continues to investigate the issue affecting SFTP and Git operations. We're making progress in narrowing down the cause and are working to implement a solution. We'll provide the next update within 45 minutes or as soon as new information is available. Thank you for your ongoing patience.

  5. investigating May 28, 2025, 11:58 AM UTC

    We are still investigating the issue affecting SFTP and Git operations. Our engineers are actively analyzing potential root causes and continue to work toward a resolution. Thank you for bearing with us.

  6. identified May 28, 2025, 12:29 PM UTC

    We've identified the root cause of the issue affecting SFTP and Git operations. Our team is now working on implementing a fix to restore normal functionality.

  7. monitoring May 28, 2025, 01:00 PM UTC

    A fix has been implemented for the issue affecting SFTP and Git operations. We are currently monitoring system performance to ensure stability and full recovery. We'll continue to keep a close eye on the situation and will provide a final update once we've confirmed the issue is fully resolved. Thank you for your patience throughout this process.

  8. resolved May 28, 2025, 02:00 PM UTC

    The issue affecting SFTP and Git operations has been fully resolved. All systems are now operating normally, and our monitoring confirms stability. Thank you for your patience while we worked to address this.

Read the full incident report →

Minor May 20, 2025

Degraded Workflows

Detected by Pingoru
May 20, 2025, 11:14 AM UTC
Resolved
May 20, 2025, 01:57 PM UTC
Duration
2h 43m
Affected: DashboardSpinup OperationsWorkflow OperationsTerminus OperationsAutopilot
Timeline · 4 updates
  1. investigating May 20, 2025, 11:14 AM UTC

    We're currently investigating an issue causing degraded performance in workflow execution, including creating new sites or environments, cloning operations, restore operations, and backup operations. For urgent issues, please contact support via [email protected] or by opening a support chat.

  2. identified May 20, 2025, 12:06 PM UTC

    We've identified the root cause of the issue affecting workflow performance. Operations such as environment cloning, restores, and backups may still experience delays or degraded performance. Our team is working on a fix and will provide updates as progress is made. Thank you for your patience and understanding.

  3. monitoring May 20, 2025, 12:52 PM UTC

    A mitigation has been deployed, and we're seeing signs of improvement. Our team is continuing to monitor the situation to ensure everything remains stable. Thank you for your continued patience.

  4. resolved May 20, 2025, 01:57 PM UTC

    This incident has been resolved. All workflows are operational, any workflows that were run during the incident and marked as failed will need to be re-run. If you encounter any issues, please reach out to support and we will be happy to assist.

Read the full incident report →